Knowledge Base

When you are hit by a ransomware attack, it is crucial to try free decryption tools before panicking. It may be possible to recover your data without paying for some types of ransomware. In this article, we will examine in detail the reliable tools that provide decryption without payment and which ransomware types they are effective against.

1. No More Ransom Project

• Website: https://www.nomoreransom.org

• Description:

  • Founded as a joint initiative of Europol, McAfee, Kaspersky, and other leading cybersecurity companies.

  • Offers free decryption tools for hundreds of different ransomware types.

Supported Key Ransomware Types:

• GandCrab (including v5.0.4)

• CoinVault

• Rakhni

• TeslaCrypt

• Jigsaw

• Shade

• Ziggy

Feature:

• The "Crypto Sheriff" tool automatically identifies which decryptor is suitable by uploading the file extension or ransom note.

2. Emsisoft Decryption Tools

• Website: https://www.emsisoft.com/ransomware-decryption-tools/

• Description:

  • Emsisoft is successful in ransomware exams and offers a very large solution database.

Supported Key Ransomware Types:

• STOP/Djvu (Some older versions)

• Nemucod

• Globe

• MRCR

• HydraCrypt

• Apocalypse

Feature:

• Receives regular updates.

• Easy to use, automatically scans encrypted files.

3. Kaspersky RakhniDecryptor

• Website: https://support.kaspersky.com/viruses/utility

• Description:

  • Developed by Kaspersky and supports a large number of ransomware families.

Supported Key Ransomware Types:

• Rakhni

• Agent.iih

• Aura

• Lamer

4. Avast Ransomware Decryption Tools

• Website: https://www.avast.com/ransomware-decryption-tools

• Description:

  • Avast offers dozens of separate decryption tools for specific ransomware types.

Supported Key Ransomware Types:

• AES_NI

• Alcatraz Locker

• Apocalypse

• BadBlock

• Bart

• Crypt888

5. Bitdefender Decryption Tools

• Website: https://www.bitdefender.com/blog/labs/ransomware/

• Description:

  • Bitdefender has offered official free solutions for some very serious threats.

Supported Key Ransomware Types:

• GandCrab (all versions)

• DarkSide

• REvil/Sodinokibi (limited versions)

Important Information:

• Free solutions are NOT available for every ransomware.

• Solutions have not yet been developed for some next-generation ransomware types (Conti, LockBit 3.0, etc.).

• The correct ransomware must be identified for files to be recovered.

• Using the wrong tool can permanently corrupt the file structure.

Detection and Recovery Steps:

1. Look at the encrypted file extension and ransom note.

2. Enter this information into NoMoreRansom's "Crypto Sheriff" tool.

3. If there is a solution, download the relevant decryption tool and apply it according to the instructions.

Conclusion

When you are hit by ransomware, you should definitely try these free solutions before paying the ransom. You can recover your data by using the correct tool from reliable sources.